package com.xw.xxsc.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.xw.xxsc.common.R;
import com.xw.xxsc.dto.DishDto;
import com.xw.xxsc.dto.SetmealDto;
import com.xw.xxsc.entity.*;
import com.xw.xxsc.service.CategoryService;
import com.xw.xxsc.service.SetmealDishService;
import com.xw.xxsc.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.CachePut;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RestController
@RequestMapping("/setmeal")
public class SetmealController {

    @Autowired
    private SetmealService setmealService;
    @Autowired
    private CategoryService categoryService;

    /**
     * 分页查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> setmealPage(int page, int pageSize, String name) {
        log.info("page={},pageSize={},name={}", page, pageSize, name);

        Page<Setmeal> setmealPage = new Page<>(page, pageSize);

        Page<SetmealDto> setmealDtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(StringUtils.isNotEmpty(name), Setmeal::getName, name);
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        setmealService.page(setmealPage, queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(setmealPage, setmealDtoPage, "records");
        List<Setmeal> records = setmealPage.getRecords();
        List<SetmealDto> setmealDtoList = records.stream().map((item) -> {
            SetmealDto setmealDto = new SetmealDto();
            BeanUtils.copyProperties(item, setmealDto);
            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());
        setmealDtoPage.setRecords(setmealDtoList);

        return R.success(setmealDtoPage);
    }

    /**
     * 新增套餐
     *
     * @param setmealDto
     * @return
     */
    @PostMapping
    @CacheEvict(value = "setmealCache", key = "#setmealDto.categoryId+'_'+#setmealDto.status")
    public R<String> setmealSave(@RequestBody SetmealDto setmealDto) {
        log.info("套餐信息{}", setmealDto);
        setmealService.saveWithDish(setmealDto);
        return R.success("添加成功~~~");
    }

    /**
     * 根据id查询套餐信息和对应的菜品信息
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @CacheEvict(value = "setmealCache", key = "#id")
    public R<SetmealDto> getByIdStemealDto(@PathVariable Long id) {
        SetmealDto setmealDto = setmealService.getByIdWithDish(id);
        return R.success(setmealDto);
    }

    /**
     * 修改套餐
     *
     * @param setmealDto
     * @return
     */
    @PutMapping
    @CacheEvict(value = "setmealCache", key = "#setmealDto.categoryId+'_'+#setmealDto.status")
    public R<String> setmealUpdate(@RequestBody SetmealDto setmealDto) {
        setmealService.updateWithDish(setmealDto);
        return R.success("修改成功");
    }

    /**
     * 停售起售套餐
     *
     * @param status
     * @param ids
     * @return
     */
    @PostMapping("/status/{status}")
    public R<String> sale(@PathVariable int status, String[] ids) {
        for (String id : ids) {
            Setmeal setmeal = setmealService.getById(id);
            setmeal.setStatus(status);
            setmealService.updateById(setmeal);
        }
        return R.success("修改成功");
    }

    /**
     * 删除套餐
     *
     * @param ids
     * @return
     */
    @DeleteMapping
    @CacheEvict(value = "setmealCache", allEntries = true)
    public R<String> setmealDelete(@RequestParam List<Long> ids) {
        log.info("ids:{}", ids);
        setmealService.removeWithDish(ids);
        return R.success("套餐删除成功~~~");
    }

    /**
     * 根据条件查询对应的套餐数据
     *
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    @Cacheable(value = "setmealCache", key = "#setmeal.categoryId+'_'+#setmeal.status")
    public R<List<Setmeal>> listSetmeal(Setmeal setmeal) {

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null, Setmeal::getCategoryId, setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null, Setmeal::getStatus, setmeal.getStatus());

        queryWrapper.orderByAsc(Setmeal::getUpdateTime);

        List<Setmeal> setmealList = setmealService.list(queryWrapper);

        return R.success(setmealList);
    }

}
